- (Fluoroorgano)fluoroboranes and -borates. 7 [1]. The reaction of RFBF2 and K [RFBF3] (RF = perfluorophenyl-, perfluoroalk-1-enyl- and perfluoroalkyl) with xenon difluoride in anhydrous HF
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The dissolution of (perfluoroorgano)difluoroboranes RFBF2 in anhydrous HF (aHF) resulted in equilibrium mixtures of the starting borane and different kinds of acid-base products: [H2F] [RFBF2(F · HF)]
- Frohn,Bardin
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- Syntheses, solution multi-NMR characterization, and reactivities of [C 6F5Xe]+ salts of weakly coordinating borate anions, [BY4]- (Y = CF3, C6F 5, CN, or OTeF5
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New examples of [C6F5Xe]+ salts of the weakly coordinating anions [B(CF3)4]_, [B(C6F5)4]-, [B(CN) 4]-, and [B(OTeF5/s
- Koppe, Karsten,Bilir, Vural,Frohn, Hermann-J.,Mercier, Helene P. A.,Schrobilgen, Gary J.
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p. 9425 - 9437
(2008/10/09)
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- A Simple and Convenient Route to Arylxenon(II) Tetrafluoroborates
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An improved synthesis of arylxenon(II) salts is reported. The series of fluoro-containing arylxenon(II) tetrafluoroborates (aryl = C6F5, 2,3,4,5-C6HF4, 3,4,5-C6H2F3 and 3,5-C6H3F2) are prepared by the reaction of xenon difluoride with the corresponding aryldifluoroboranes. The salts [C6F5Xe] [BF4] and [2,3,4,5-C6HF4Xe] [BF4] are long-term stable in anhydrous HF (aHF) solution at rt, while [3,4,5-C6H2F3Xe] [BF4] and [3,5-C6H3F2Xe] [BF4] are converted into 1,2,3,5-tetrafluorobenzene and 1,3,5-trifluorobenzene, respectively, within a few hours.
- Frohn,Franke,Bardin
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p. 1495 - 1498
(2007/10/03)
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